linux-kernel - RE: [PATCH 09/09] ARM: s3c2440: gta02: Add touchscreen support

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Message-id: <000201cbd70d$4f67f1f0$ee37d5d0$%kim@samsung.com>
Date:	Mon, 28 Feb 2011 15:04:02 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Lars-Peter Clausen' <lars@...afoo.de>,
	'Ben Dooks' <ben-linux@...ff.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: RE: [PATCH 09/09] ARM: s3c2440: gta02: Add touchscreen support

Lars-Peter Clausen wrote:
> 
> This patch registers the s3c touchscreen and adc devices to add
touchscreen
> support for the gta02.
> 
> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
> ---
>  arch/arm/mach-s3c2440/mach-gta02.c |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-s3c2440/mach-gta02.c
b/arch/arm/mach-s3c2440/mach-
> gta02.c
> index 94456fa..2300ec5 100644
> --- a/arch/arm/mach-s3c2440/mach-gta02.c
> +++ b/arch/arm/mach-s3c2440/mach-gta02.c
> @@ -79,6 +79,8 @@
>  #include <mach/regs-mem.h>
>  #include <mach/hardware.h>
> 
> +#include <plat/ts.h>
> +

Please group same/similar inclusion together like following.
<linux/...> <asm/...> then <mach/...> or <plat/...>

In other words, please add your <plat/ts.h> inclusion after other <plat/...>

>  #include <mach/gta02.h>
> 
>  #include <plat/regs-serial.h>
> @@ -480,6 +482,13 @@ static struct s3c2410_hcd_info gta02_usb_info
__initdata
> = {
>  	},
>  };
> 
> +/* Touchscreen */
> +static struct s3c2410_ts_mach_info gta02_ts_info = {
> +	.delay = 10000,
> +	.presc = 0xff, /* slow as we can go */
> +	.oversampling_shift = 2,
> +};

How about to use tab between member and = like following?

static struct s3c2410_ts_mach_info gta02_ts_info = {
	.delay			= 10000,
	.presc			= 0xff, /* slow as we can go */
	.oversampling_shift	= 2,
};

> +
>  /* Buttons */
>  static struct gpio_keys_button gta02_buttons[] = {
>  	{
> @@ -533,6 +542,8 @@ static struct platform_device *gta02_devices[]
__initdata
> = {
>  	&samsung_asoc_dma,
>  	&s3c_device_i2c0,
>  	&gta02_buttons_device,
> +	&s3c_device_adc,

No need to build plat-samsung/dev-adc.c for this?
If you want to add '&s3c_deivce_adc', should add 'select SAMSUNG_DEV_ADC'
into "config MACH_NEO1973_GTA02".

> +	&s3c_device_ts,

'select SAMSUNG_DEV_TS'

>  };
> 
>  /* These guys DO need to be children of PMU. */
> @@ -597,6 +608,7 @@ static void __init gta02_machine_init(void)
>  #endif
> 
>  	s3c24xx_udc_set_platdata(&gta02_udc_cfg);
> +	s3c24xx_ts_set_platdata(&gta02_ts_info);

Same as above. 'select SAMSUNG_DEV_TS' should be added for
plat-samsung/dev-ts.c.

>  	s3c_ohci_set_platdata(&gta02_usb_info);
>  	s3c_nand_set_platdata(&gta02_nand_info);
>  	s3c_i2c0_set_platdata(NULL);
> --
> 1.7.2.3


Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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